/**
* Without a lot more mocking we're pretty dependent on the particular
* filesystem and 'which'. We can at least check for errors.
*/
function testEditorLocationProbe()
{
$sysInTest = new CliEditorLauncher();
$editors = $sysInTest->locateAvailableEditors();
// locateAvailableEditors() caches, let's just make sure we're not able to
// pollute the returned array.
$editors['xyx'] = 1;
$editors = $sysInTest->locateAvailableEditors();
$this->assertArrayNotHasKey('xyx', $editors, 'Editors array cannot be polluted.');
}
